diff --git a/examples/gemini/celest/lib/client.dart b/examples/gemini/celest/lib/client.dart
index 1f1cfc16..2903de69 100644
--- a/examples/gemini/celest/lib/client.dart
+++ b/examples/gemini/celest/lib/client.dart
@@ -6,6 +6,7 @@ library; // ignore_for_file: no_leading_underscores_for_library_prefixes
 
 import 'dart:io' as _$io;
 
+import 'package:celest_core/_internal.dart';
 import 'package:celest_core/src/util/globals.dart';
 import 'package:http/http.dart' as _$http;
 
@@ -24,12 +25,16 @@ enum CelestEnvironment {
       };
 }
 
-class Celest {
+class Celest with CelestBase {
   var _initialized = false;
 
   late CelestEnvironment _currentEnvironment;
 
-  late _$http.Client httpClient = _$http.Client();
+  late final SecureStorage _secureStorage = SecureStorage();
+
+  @override
+  late _$http.Client httpClient =
+      CelestHttpClient(secureStorage: _secureStorage);
 
   late Uri _baseUri;
 
@@ -46,6 +51,7 @@ class Celest {
   CelestEnvironment get currentEnvironment =>
       _checkInitialized(() => _currentEnvironment);
 
+  @override
   Uri get baseUri => _checkInitialized(() => _baseUri);
 
   CelestFunctions get functions => _checkInitialized(() => _functions);
diff --git a/examples/gemini/celest/lib/src/client/functions.dart b/examples/gemini/celest/lib/src/client/functions.dart
index 2a117d0d..f2719a51 100644
--- a/examples/gemini/celest/lib/src/client/functions.dart
+++ b/examples/gemini/celest/lib/src/client/functions.dart
@@ -29,6 +29,8 @@ class CelestFunctionsGemini {
     switch ($code) {
       case r'BadRequestException':
         throw Serializers.instance.deserialize<BadRequestException>($details);
+      case r'UnauthorizedException':
+        throw Serializers.instance.deserialize<UnauthorizedException>($details);
       case r'InternalServerException':
         throw Serializers.instance
             .deserialize<InternalServerException>($details);
diff --git a/examples/gemini/celest/lib/src/client/serializers.dart b/examples/gemini/celest/lib/src/client/serializers.dart
index bc4b892d..79e49349 100644
--- a/examples/gemini/celest/lib/src/client/serializers.dart
+++ b/examples/gemini/celest/lib/src/client/serializers.dart
@@ -22,6 +22,14 @@ void initSerializers() {
       return InternalServerException(($serialized[r'message'] as String));
     },
   ));
+  Serializers.instance
+      .put(Serializer.define<UnauthorizedException, Map<String, Object?>?>(
+    serialize: ($value) => {r'message': $value.message},
+    deserialize: ($serialized) {
+      return UnauthorizedException(
+          (($serialized?[r'message'] as String?)) ?? 'Unauthorized');
+    },
+  ));
   Serializers.instance
       .put(Serializer.define<SerializationException, Map<String, Object?>>(
     serialize: ($value) => {
diff --git a/examples/gemini/celest/pubspec.lock b/examples/gemini/celest/pubspec.lock
index 9ebca451..38d5ef43 100644
--- a/examples/gemini/celest/pubspec.lock
+++ b/examples/gemini/celest/pubspec.lock
@@ -41,22 +41,54 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.1.1"
+  built_collection:
+    dependency: transitive
+    description:
+      name: built_collection
+      sha256: "376e3dd27b51ea877c28d525560790aee2e6fbb5f20e2f85d5081027d94e2100"
+      url: "https://pub.dev"
+    source: hosted
+    version: "5.1.1"
+  built_value:
+    dependency: transitive
+    description:
+      name: built_value
+      sha256: fedde275e0a6b798c3296963c5cd224e3e1b55d0e478d5b7e65e6b540f363a0e
+      url: "https://pub.dev"
+    source: hosted
+    version: "8.9.1"
+  cedar:
+    dependency: transitive
+    description:
+      name: cedar
+      sha256: "08694362fce1f942d0f868ff8460931e2d32d9e568a1672ca98aa387cab248aa"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.1.0"
   celest:
     dependency: "direct main"
     description:
       name: celest
-      sha256: aa0d6bd43ed45f52d2f1a88b5dc00bf88439ab21f1d727c68938f54ccf3ba445
+      sha256: bd1691ce2d75e394e2d2a7b41d8699ccc4e219d51846287cfe9ba7b6cd9a3989
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.3.1"
+  celest_auth:
+    dependency: transitive
+    description:
+      name: celest_auth
+      sha256: "63ad911778086b508c702a2ece3a56d7fea42a1e87c92c0031f213ccfabb25d6"
       url: "https://pub.dev"
     source: hosted
-    version: "0.2.0"
+    version: "0.3.0"
   celest_core:
     dependency: "direct main"
     description:
       name: celest_core
-      sha256: c9ae3214327494291c2bbbc5ac7b5b63be03484e9d63fd06d8fe9ad938256963
+      sha256: f4ce36b2f80a2717dd83302a735e1be16ca7ebcc5f145582b59e66176503f455
       url: "https://pub.dev"
     source: hosted
-    version: "0.2.1"
+    version: "0.3.1"
   chunked_stream:
     dependency: transitive
     description:
@@ -81,6 +113,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "3.1.1"
+  corks_cedar:
+    dependency: transitive
+    description:
+      name: corks_cedar
+      sha256: "85296f9500ff5cf8ec135520fc28caaf2858af8a6da129d7caedaed869cb8a44"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.1.0"
   coverage:
     dependency: transitive
     description:
@@ -97,6 +137,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "3.0.3"
+  ffi:
+    dependency: transitive
+    description:
+      name: ffi
+      sha256: "493f37e7df1804778ff3a53bd691d8692ddf69702cf4c1c1096a2e41b4779e21"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.2"
   file:
     dependency: transitive
     description:
@@ -105,6 +153,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "7.0.0"
+  fixnum:
+    dependency: transitive
+    description:
+      name: fixnum
+      sha256: "25517a4deb0c03aa0f32fd12db525856438902d9c16536311e76cdc57b31d7d1"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.0"
   frontend_server_client:
     dependency: transitive
     description:
@@ -169,6 +225,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.0.4"
+  jni:
+    dependency: transitive
+    description:
+      name: jni
+      sha256: "0d88790bdf7e298aa65a9094c62b58ea231169a2deb84f23defc7d7955885b43"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.7.2"
   js:
     dependency: transitive
     description:
@@ -177,6 +241,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "0.7.1"
+  json_annotation:
+    dependency: transitive
+    description:
+      name: json_annotation
+      sha256: b10a7b2ff83d83c777edba3c6a0f97045ddadd56c944e1a23a3fdf43a1bf4467
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.8.1"
   lints:
     dependency: "direct dev"
     description:
@@ -225,6 +297,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.0.2"
+  os_detect:
+    dependency: transitive
+    description:
+      name: os_detect
+      sha256: faf3bcf39515e64da8ff76b2f2805b20a6ff47ae515393e535f8579ff91d6b7f
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.1"
   package_config:
     dependency: transitive
     description:
@@ -241,6 +321,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.9.0"
+  plugin_platform_interface:
+    dependency: transitive
+    description:
+      name: plugin_platform_interface
+      sha256: "4820fbfdb9478b1ebae27888254d445073732dae3d6ea81f0b7e06d5dedc3f02"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.8"
   pool:
     dependency: transitive
     description:
@@ -249,6 +337,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.5.1"
+  protobuf:
+    dependency: transitive
+    description:
+      name: protobuf
+      sha256: "68645b24e0716782e58948f8467fd42a880f255096a821f9e7d0ec625b00c84d"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.0"
   pub_semver:
     dependency: transitive
     description:
@@ -337,6 +433,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.1.2"
+  stream_transform:
+    dependency: transitive
+    description:
+      name: stream_transform
+      sha256: "14a00e794c7c11aa145a170587321aedce29769c08d7f58b1d141da75e3b1c6f"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.0"
   string_scanner:
     dependency: transitive
     description:
@@ -405,10 +509,10 @@ packages:
     dependency: transitive
     description:
       name: web
-      sha256: "1d9158c616048c38f712a6646e317a3426da10e884447626167240d45209cbad"
+      sha256: "97da13628db363c635202ad97068d47c5b8aa555808e7a9411963c533b449b27"
       url: "https://pub.dev"
     source: hosted
-    version: "0.5.0"
+    version: "0.5.1"
   web_socket_channel:
     dependency: transitive
     description:
@@ -425,6 +529,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.2.1"
+  win32:
+    dependency: transitive
+    description:
+      name: win32
+      sha256: "8cb58b45c47dcb42ab3651533626161d6b67a2921917d8d429791f76972b3480"
+      url: "https://pub.dev"
+    source: hosted
+    version: "5.3.0"
   yaml:
     dependency: transitive
     description:
@@ -435,3 +547,4 @@ packages:
     version: "3.1.2"
 sdks:
   dart: ">=3.3.0 <4.0.0"
+  flutter: ">=3.19.0"
diff --git a/examples/gemini/celest/pubspec.yaml b/examples/gemini/celest/pubspec.yaml
index c01c72d4..747fd3fe 100644
--- a/examples/gemini/celest/pubspec.yaml
+++ b/examples/gemini/celest/pubspec.yaml
@@ -6,8 +6,8 @@ environment:
   sdk: ^3.3.0
 
 dependencies:
-  celest: ^0.2.0
-  celest_core: ^0.2.0
+  celest: ^0.3.0
+  celest_core: ^0.3.0
   google_generative_ai: ^0.2.0
   http: ">=0.13.0 <2.0.0"
 
diff --git a/examples/gemini/celest/resources.dart b/examples/gemini/celest/resources.dart
index 7ab178df..8014ea1f 100644
--- a/examples/gemini/celest/resources.dart
+++ b/examples/gemini/celest/resources.dart
@@ -6,28 +6,6 @@ library;
 
 import 'package:celest/celest.dart';
 
-@Deprecated('Use `Apis` instead.')
-typedef apis = Apis;
-
-abstract final class Apis {
-  static const gemini = CloudApi(name: r'gemini');
-}
-
-@Deprecated('Use `Functions` instead.')
-typedef functions = Functions;
-
-abstract final class Functions {
-  static const geminiAvailableModels = CloudFunction(
-    api: r'gemini',
-    functionName: r'availableModels',
-  );
-
-  static const geminiGenerateContent = CloudFunction(
-    api: r'gemini',
-    functionName: r'generateContent',
-  );
-}
-
 @Deprecated('Use `Env` instead.')
 typedef env = Env;
 
diff --git a/examples/gemini/pubspec.lock b/examples/gemini/pubspec.lock
index b5671d33..65a084a0 100644
--- a/examples/gemini/pubspec.lock
+++ b/examples/gemini/pubspec.lock
@@ -1,6 +1,14 @@
 # Generated by pub
 # See https://dart.dev/tools/pub/glossary#lockfile
 packages:
+  args:
+    dependency: transitive
+    description:
+      name: args
+      sha256: eef6c46b622e0494a36c5a12d10d77fb4e855501a91c1b9ef9339326e58f0596
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.2"
   async:
     dependency: transitive
     description:
@@ -17,14 +25,46 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.1.1"
+  built_collection:
+    dependency: transitive
+    description:
+      name: built_collection
+      sha256: "376e3dd27b51ea877c28d525560790aee2e6fbb5f20e2f85d5081027d94e2100"
+      url: "https://pub.dev"
+    source: hosted
+    version: "5.1.1"
+  built_value:
+    dependency: transitive
+    description:
+      name: built_value
+      sha256: fedde275e0a6b798c3296963c5cd224e3e1b55d0e478d5b7e65e6b540f363a0e
+      url: "https://pub.dev"
+    source: hosted
+    version: "8.9.1"
+  cedar:
+    dependency: transitive
+    description:
+      name: cedar
+      sha256: "08694362fce1f942d0f868ff8460931e2d32d9e568a1672ca98aa387cab248aa"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.1.0"
   celest:
     dependency: transitive
     description:
       name: celest
-      sha256: aa0d6bd43ed45f52d2f1a88b5dc00bf88439ab21f1d727c68938f54ccf3ba445
+      sha256: bd1691ce2d75e394e2d2a7b41d8699ccc4e219d51846287cfe9ba7b6cd9a3989
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.3.1"
+  celest_auth:
+    dependency: transitive
+    description:
+      name: celest_auth
+      sha256: "63ad911778086b508c702a2ece3a56d7fea42a1e87c92c0031f213ccfabb25d6"
       url: "https://pub.dev"
     source: hosted
-    version: "0.2.0"
+    version: "0.3.0"
   celest_backend:
     dependency: "direct main"
     description:
@@ -36,10 +76,10 @@ packages:
     dependency: transitive
     description:
       name: celest_core
-      sha256: c9ae3214327494291c2bbbc5ac7b5b63be03484e9d63fd06d8fe9ad938256963
+      sha256: f4ce36b2f80a2717dd83302a735e1be16ca7ebcc5f145582b59e66176503f455
       url: "https://pub.dev"
     source: hosted
-    version: "0.2.1"
+    version: "0.3.1"
   characters:
     dependency: transitive
     description:
@@ -72,6 +112,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.18.0"
+  corks_cedar:
+    dependency: transitive
+    description:
+      name: corks_cedar
+      sha256: "85296f9500ff5cf8ec135520fc28caaf2858af8a6da129d7caedaed869cb8a44"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.1.0"
+  crypto:
+    dependency: transitive
+    description:
+      name: crypto
+      sha256: ff625774173754681d66daaf4a448684fb04b78f902da9cb3d308c19cc5e8bab
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.3"
   cupertino_icons:
     dependency: "direct main"
     description:
@@ -88,6 +144,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.3.1"
+  ffi:
+    dependency: transitive
+    description:
+      name: ffi
+      sha256: "493f37e7df1804778ff3a53bd691d8692ddf69702cf4c1c1096a2e41b4779e21"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.2"
+  fixnum:
+    dependency: transitive
+    description:
+      name: fixnum
+      sha256: "25517a4deb0c03aa0f32fd12db525856438902d9c16536311e76cdc57b31d7d1"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.0"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -138,6 +210,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "4.0.2"
+  jni:
+    dependency: transitive
+    description:
+      name: jni
+      sha256: "0d88790bdf7e298aa65a9094c62b58ea231169a2deb84f23defc7d7955885b43"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.7.2"
+  json_annotation:
+    dependency: transitive
+    description:
+      name: json_annotation
+      sha256: b10a7b2ff83d83c777edba3c6a0f97045ddadd56c944e1a23a3fdf43a1bf4467
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.8.1"
   leak_tracker:
     dependency: transitive
     description:
@@ -170,6 +258,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "3.0.0"
+  logging:
+    dependency: transitive
+    description:
+      name: logging
+      sha256: "623a88c9594aa774443aa3eb2d41807a48486b5613e67599fb4c41c0ad47c340"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.2.0"
   matcher:
     dependency: transitive
     description:
@@ -194,6 +290,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.11.0"
+  os_detect:
+    dependency: transitive
+    description:
+      name: os_detect
+      sha256: faf3bcf39515e64da8ff76b2f2805b20a6ff47ae515393e535f8579ff91d6b7f
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.1"
+  package_config:
+    dependency: transitive
+    description:
+      name: package_config
+      sha256: "1c5b77ccc91e4823a5af61ee74e6b972db1ef98c2ff5a18d3161c982a55448bd"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.0"
   path:
     dependency: transitive
     description:
@@ -202,6 +314,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.9.0"
+  plugin_platform_interface:
+    dependency: transitive
+    description:
+      name: plugin_platform_interface
+      sha256: "4820fbfdb9478b1ebae27888254d445073732dae3d6ea81f0b7e06d5dedc3f02"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.8"
+  protobuf:
+    dependency: transitive
+    description:
+      name: protobuf
+      sha256: "68645b24e0716782e58948f8467fd42a880f255096a821f9e7d0ec625b00c84d"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.0"
   shelf:
     dependency: transitive
     description:
@@ -247,6 +375,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.1.2"
+  stream_transform:
+    dependency: transitive
+    description:
+      name: stream_transform
+      sha256: "14a00e794c7c11aa145a170587321aedce29769c08d7f58b1d141da75e3b1c6f"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.0"
   string_scanner:
     dependency: transitive
     description:
@@ -299,9 +435,18 @@ packages:
     dependency: transitive
     description:
       name: web
-      sha256: "1d9158c616048c38f712a6646e317a3426da10e884447626167240d45209cbad"
+      sha256: "97da13628db363c635202ad97068d47c5b8aa555808e7a9411963c533b449b27"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.5.1"
+  win32:
+    dependency: transitive
+    description:
+      name: win32
+      sha256: "8cb58b45c47dcb42ab3651533626161d6b67a2921917d8d429791f76972b3480"
       url: "https://pub.dev"
     source: hosted
-    version: "0.5.0"
+    version: "5.3.0"
 sdks:
   dart: ">=3.3.0 <4.0.0"
+  flutter: ">=3.19.0"
diff --git a/examples/openai/celest/lib/client.dart b/examples/openai/celest/lib/client.dart
index 33b5383b..74bcca10 100644
--- a/examples/openai/celest/lib/client.dart
+++ b/examples/openai/celest/lib/client.dart
@@ -6,6 +6,7 @@ library; // ignore_for_file: no_leading_underscores_for_library_prefixes
 
 import 'dart:io' as _$io;
 
+import 'package:celest_core/_internal.dart';
 import 'package:celest_core/src/util/globals.dart';
 import 'package:http/http.dart' as _$http;
 
@@ -23,16 +24,20 @@ enum CelestEnvironment {
             ? Uri.parse('http://localhost:7777')
             : Uri.parse('http://10.0.2.2:7777'),
         production =>
-          Uri.parse('https://openai-example-xpsv-v76lntiq7q-wl.a.run.app'),
+          Uri.parse('https://openai-example-usok-v76lntiq7q-wl.a.run.app'),
       };
 }
 
-class Celest {
+class Celest with CelestBase {
   var _initialized = false;
 
   late CelestEnvironment _currentEnvironment;
 
-  late _$http.Client httpClient = _$http.Client();
+  late final SecureStorage _secureStorage = SecureStorage();
+
+  @override
+  late _$http.Client httpClient =
+      CelestHttpClient(secureStorage: _secureStorage);
 
   late Uri _baseUri;
 
@@ -49,6 +54,7 @@ class Celest {
   CelestEnvironment get currentEnvironment =>
       _checkInitialized(() => _currentEnvironment);
 
+  @override
   Uri get baseUri => _checkInitialized(() => _baseUri);
 
   CelestFunctions get functions => _checkInitialized(() => _functions);
diff --git a/examples/openai/celest/lib/src/client/functions.dart b/examples/openai/celest/lib/src/client/functions.dart
index bc640b47..3d21e0cf 100644
--- a/examples/openai/celest/lib/src/client/functions.dart
+++ b/examples/openai/celest/lib/src/client/functions.dart
@@ -28,6 +28,8 @@ class CelestFunctionsOpenAi {
     switch ($code) {
       case r'BadRequestException':
         throw Serializers.instance.deserialize<BadRequestException>($details);
+      case r'UnauthorizedException':
+        throw Serializers.instance.deserialize<UnauthorizedException>($details);
       case r'InternalServerException':
         throw Serializers.instance
             .deserialize<InternalServerException>($details);
diff --git a/examples/openai/celest/lib/src/client/serializers.dart b/examples/openai/celest/lib/src/client/serializers.dart
index 0f551e66..b9483fc2 100644
--- a/examples/openai/celest/lib/src/client/serializers.dart
+++ b/examples/openai/celest/lib/src/client/serializers.dart
@@ -34,6 +34,14 @@ void initSerializers() {
       return InternalServerException(($serialized[r'message'] as String));
     },
   ));
+  Serializers.instance
+      .put(Serializer.define<UnauthorizedException, Map<String, Object?>?>(
+    serialize: ($value) => {r'message': $value.message},
+    deserialize: ($serialized) {
+      return UnauthorizedException(
+          (($serialized?[r'message'] as String?)) ?? 'Unauthorized');
+    },
+  ));
   Serializers.instance
       .put(Serializer.define<SerializationException, Map<String, Object?>>(
     serialize: ($value) => {
diff --git a/examples/openai/celest/pubspec.lock b/examples/openai/celest/pubspec.lock
index 2e34d9d2..4bf2af77 100644
--- a/examples/openai/celest/pubspec.lock
+++ b/examples/openai/celest/pubspec.lock
@@ -41,22 +41,54 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.1.1"
+  built_collection:
+    dependency: transitive
+    description:
+      name: built_collection
+      sha256: "376e3dd27b51ea877c28d525560790aee2e6fbb5f20e2f85d5081027d94e2100"
+      url: "https://pub.dev"
+    source: hosted
+    version: "5.1.1"
+  built_value:
+    dependency: transitive
+    description:
+      name: built_value
+      sha256: fedde275e0a6b798c3296963c5cd224e3e1b55d0e478d5b7e65e6b540f363a0e
+      url: "https://pub.dev"
+    source: hosted
+    version: "8.9.1"
+  cedar:
+    dependency: transitive
+    description:
+      name: cedar
+      sha256: "08694362fce1f942d0f868ff8460931e2d32d9e568a1672ca98aa387cab248aa"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.1.0"
   celest:
     dependency: "direct main"
     description:
       name: celest
-      sha256: aa0d6bd43ed45f52d2f1a88b5dc00bf88439ab21f1d727c68938f54ccf3ba445
+      sha256: bd1691ce2d75e394e2d2a7b41d8699ccc4e219d51846287cfe9ba7b6cd9a3989
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.3.1"
+  celest_auth:
+    dependency: transitive
+    description:
+      name: celest_auth
+      sha256: "63ad911778086b508c702a2ece3a56d7fea42a1e87c92c0031f213ccfabb25d6"
       url: "https://pub.dev"
     source: hosted
-    version: "0.2.0"
+    version: "0.3.0"
   celest_core:
     dependency: "direct main"
     description:
       name: celest_core
-      sha256: c9ae3214327494291c2bbbc5ac7b5b63be03484e9d63fd06d8fe9ad938256963
+      sha256: f4ce36b2f80a2717dd83302a735e1be16ca7ebcc5f145582b59e66176503f455
       url: "https://pub.dev"
     source: hosted
-    version: "0.2.1"
+    version: "0.3.1"
   chat_gpt_sdk:
     dependency: "direct main"
     description:
@@ -89,6 +121,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "3.1.1"
+  corks_cedar:
+    dependency: transitive
+    description:
+      name: corks_cedar
+      sha256: "85296f9500ff5cf8ec135520fc28caaf2858af8a6da129d7caedaed869cb8a44"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.1.0"
   coverage:
     dependency: transitive
     description:
@@ -113,6 +153,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "5.4.1"
+  ffi:
+    dependency: transitive
+    description:
+      name: ffi
+      sha256: "493f37e7df1804778ff3a53bd691d8692ddf69702cf4c1c1096a2e41b4779e21"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.2"
   file:
     dependency: transitive
     description:
@@ -121,6 +169,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "7.0.0"
+  fixnum:
+    dependency: transitive
+    description:
+      name: fixnum
+      sha256: "25517a4deb0c03aa0f32fd12db525856438902d9c16536311e76cdc57b31d7d1"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.0"
   frontend_server_client:
     dependency: transitive
     description:
@@ -177,6 +233,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.0.4"
+  jni:
+    dependency: transitive
+    description:
+      name: jni
+      sha256: "0d88790bdf7e298aa65a9094c62b58ea231169a2deb84f23defc7d7955885b43"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.7.2"
   js:
     dependency: transitive
     description:
@@ -185,6 +249,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "0.7.1"
+  json_annotation:
+    dependency: transitive
+    description:
+      name: json_annotation
+      sha256: b10a7b2ff83d83c777edba3c6a0f97045ddadd56c944e1a23a3fdf43a1bf4467
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.8.1"
   lints:
     dependency: "direct dev"
     description:
@@ -233,6 +305,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.0.2"
+  os_detect:
+    dependency: transitive
+    description:
+      name: os_detect
+      sha256: faf3bcf39515e64da8ff76b2f2805b20a6ff47ae515393e535f8579ff91d6b7f
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.1"
   package_config:
     dependency: transitive
     description:
@@ -249,6 +329,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.9.0"
+  plugin_platform_interface:
+    dependency: transitive
+    description:
+      name: plugin_platform_interface
+      sha256: "4820fbfdb9478b1ebae27888254d445073732dae3d6ea81f0b7e06d5dedc3f02"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.8"
   pool:
     dependency: transitive
     description:
@@ -257,6 +345,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.5.1"
+  protobuf:
+    dependency: transitive
+    description:
+      name: protobuf
+      sha256: "68645b24e0716782e58948f8467fd42a880f255096a821f9e7d0ec625b00c84d"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.0"
   pub_semver:
     dependency: transitive
     description:
@@ -345,6 +441,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.1.2"
+  stream_transform:
+    dependency: transitive
+    description:
+      name: stream_transform
+      sha256: "14a00e794c7c11aa145a170587321aedce29769c08d7f58b1d141da75e3b1c6f"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.0"
   string_scanner:
     dependency: transitive
     description:
@@ -413,10 +517,10 @@ packages:
     dependency: transitive
     description:
       name: web
-      sha256: "1d9158c616048c38f712a6646e317a3426da10e884447626167240d45209cbad"
+      sha256: "97da13628db363c635202ad97068d47c5b8aa555808e7a9411963c533b449b27"
       url: "https://pub.dev"
     source: hosted
-    version: "0.5.0"
+    version: "0.5.1"
   web_socket_channel:
     dependency: transitive
     description:
@@ -433,6 +537,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.2.1"
+  win32:
+    dependency: transitive
+    description:
+      name: win32
+      sha256: "8cb58b45c47dcb42ab3651533626161d6b67a2921917d8d429791f76972b3480"
+      url: "https://pub.dev"
+    source: hosted
+    version: "5.3.0"
   yaml:
     dependency: transitive
     description:
@@ -443,3 +555,4 @@ packages:
     version: "3.1.2"
 sdks:
   dart: ">=3.3.0 <4.0.0"
+  flutter: ">=3.19.0"
diff --git a/examples/openai/celest/pubspec.yaml b/examples/openai/celest/pubspec.yaml
index 740aa8bf..343ded54 100644
--- a/examples/openai/celest/pubspec.yaml
+++ b/examples/openai/celest/pubspec.yaml
@@ -6,8 +6,8 @@ environment:
   sdk: ^3.3.0
 
 dependencies:
-  celest: ^0.2.0
-  celest_core: ^0.2.0
+  celest: ^0.3.0
+  celest_core: ^0.3.0
   chat_gpt_sdk: ^2.2.8
   http: ">=0.13.0 <2.0.0"
 
diff --git a/examples/openai/celest/resources.dart b/examples/openai/celest/resources.dart
index 5d045a7c..fb457dd2 100644
--- a/examples/openai/celest/resources.dart
+++ b/examples/openai/celest/resources.dart
@@ -6,28 +6,6 @@ library;
 
 import 'package:celest/celest.dart';
 
-@Deprecated('Use `Apis` instead.')
-typedef apis = Apis;
-
-abstract final class Apis {
-  static const openAi = CloudApi(name: r'open_ai');
-}
-
-@Deprecated('Use `Functions` instead.')
-typedef functions = Functions;
-
-abstract final class Functions {
-  static const openAiAvailableModels = CloudFunction(
-    api: r'open_ai',
-    functionName: r'availableModels',
-  );
-
-  static const openAiOpenAiRequest = CloudFunction(
-    api: r'open_ai',
-    functionName: r'openAIRequest',
-  );
-}
-
 @Deprecated('Use `Env` instead.')
 typedef env = Env;
 
diff --git a/examples/openai/pubspec.lock b/examples/openai/pubspec.lock
index 7a7f7e20..aa4f8891 100644
--- a/examples/openai/pubspec.lock
+++ b/examples/openai/pubspec.lock
@@ -1,6 +1,14 @@
 # Generated by pub
 # See https://dart.dev/tools/pub/glossary#lockfile
 packages:
+  args:
+    dependency: transitive
+    description:
+      name: args
+      sha256: eef6c46b622e0494a36c5a12d10d77fb4e855501a91c1b9ef9339326e58f0596
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.2"
   async:
     dependency: transitive
     description:
@@ -17,14 +25,46 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.1.1"
+  built_collection:
+    dependency: transitive
+    description:
+      name: built_collection
+      sha256: "376e3dd27b51ea877c28d525560790aee2e6fbb5f20e2f85d5081027d94e2100"
+      url: "https://pub.dev"
+    source: hosted
+    version: "5.1.1"
+  built_value:
+    dependency: transitive
+    description:
+      name: built_value
+      sha256: fedde275e0a6b798c3296963c5cd224e3e1b55d0e478d5b7e65e6b540f363a0e
+      url: "https://pub.dev"
+    source: hosted
+    version: "8.9.1"
+  cedar:
+    dependency: transitive
+    description:
+      name: cedar
+      sha256: "08694362fce1f942d0f868ff8460931e2d32d9e568a1672ca98aa387cab248aa"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.1.0"
   celest:
     dependency: transitive
     description:
       name: celest
-      sha256: aa0d6bd43ed45f52d2f1a88b5dc00bf88439ab21f1d727c68938f54ccf3ba445
+      sha256: bd1691ce2d75e394e2d2a7b41d8699ccc4e219d51846287cfe9ba7b6cd9a3989
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.3.1"
+  celest_auth:
+    dependency: transitive
+    description:
+      name: celest_auth
+      sha256: "63ad911778086b508c702a2ece3a56d7fea42a1e87c92c0031f213ccfabb25d6"
       url: "https://pub.dev"
     source: hosted
-    version: "0.2.0"
+    version: "0.3.0"
   celest_backend:
     dependency: "direct main"
     description:
@@ -36,10 +76,10 @@ packages:
     dependency: transitive
     description:
       name: celest_core
-      sha256: c9ae3214327494291c2bbbc5ac7b5b63be03484e9d63fd06d8fe9ad938256963
+      sha256: f4ce36b2f80a2717dd83302a735e1be16ca7ebcc5f145582b59e66176503f455
       url: "https://pub.dev"
     source: hosted
-    version: "0.2.1"
+    version: "0.3.1"
   characters:
     dependency: transitive
     description:
@@ -80,6 +120,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.18.0"
+  corks_cedar:
+    dependency: transitive
+    description:
+      name: corks_cedar
+      sha256: "85296f9500ff5cf8ec135520fc28caaf2858af8a6da129d7caedaed869cb8a44"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.1.0"
+  crypto:
+    dependency: transitive
+    description:
+      name: crypto
+      sha256: ff625774173754681d66daaf4a448684fb04b78f902da9cb3d308c19cc5e8bab
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.3"
   cupertino_icons:
     dependency: "direct main"
     description:
@@ -104,6 +160,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.3.1"
+  ffi:
+    dependency: transitive
+    description:
+      name: ffi
+      sha256: "493f37e7df1804778ff3a53bd691d8692ddf69702cf4c1c1096a2e41b4779e21"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.2"
+  fixnum:
+    dependency: transitive
+    description:
+      name: fixnum
+      sha256: "25517a4deb0c03aa0f32fd12db525856438902d9c16536311e76cdc57b31d7d1"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.0"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -146,6 +218,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "4.0.2"
+  jni:
+    dependency: transitive
+    description:
+      name: jni
+      sha256: "0d88790bdf7e298aa65a9094c62b58ea231169a2deb84f23defc7d7955885b43"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.7.2"
+  json_annotation:
+    dependency: transitive
+    description:
+      name: json_annotation
+      sha256: b10a7b2ff83d83c777edba3c6a0f97045ddadd56c944e1a23a3fdf43a1bf4467
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.8.1"
   leak_tracker:
     dependency: transitive
     description:
@@ -182,10 +270,18 @@ packages:
     dependency: "direct main"
     description:
       name: logger
-      sha256: "6bbb9d6f7056729537a4309bda2e74e18e5d9f14302489cc1e93f33b3fe32cac"
+      sha256: b3ff55aeb08d9d8901b767650285872cb1bb8f508373b3e348d60268b0c7f770
       url: "https://pub.dev"
     source: hosted
-    version: "2.0.2+1"
+    version: "2.1.0"
+  logging:
+    dependency: transitive
+    description:
+      name: logging
+      sha256: "623a88c9594aa774443aa3eb2d41807a48486b5613e67599fb4c41c0ad47c340"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.2.0"
   matcher:
     dependency: transitive
     description:
@@ -210,6 +306,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.11.0"
+  os_detect:
+    dependency: transitive
+    description:
+      name: os_detect
+      sha256: faf3bcf39515e64da8ff76b2f2805b20a6ff47ae515393e535f8579ff91d6b7f
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.1"
+  package_config:
+    dependency: transitive
+    description:
+      name: package_config
+      sha256: "1c5b77ccc91e4823a5af61ee74e6b972db1ef98c2ff5a18d3161c982a55448bd"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.0"
   path:
     dependency: transitive
     description:
@@ -218,6 +330,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.9.0"
+  plugin_platform_interface:
+    dependency: transitive
+    description:
+      name: plugin_platform_interface
+      sha256: "4820fbfdb9478b1ebae27888254d445073732dae3d6ea81f0b7e06d5dedc3f02"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.8"
+  protobuf:
+    dependency: transitive
+    description:
+      name: protobuf
+      sha256: "68645b24e0716782e58948f8467fd42a880f255096a821f9e7d0ec625b00c84d"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.0"
   shelf:
     dependency: transitive
     description:
@@ -263,6 +391,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.1.2"
+  stream_transform:
+    dependency: transitive
+    description:
+      name: stream_transform
+      sha256: "14a00e794c7c11aa145a170587321aedce29769c08d7f58b1d141da75e3b1c6f"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.0"
   string_scanner:
     dependency: transitive
     description:
@@ -315,9 +451,18 @@ packages:
     dependency: transitive
     description:
       name: web
-      sha256: "1d9158c616048c38f712a6646e317a3426da10e884447626167240d45209cbad"
+      sha256: "97da13628db363c635202ad97068d47c5b8aa555808e7a9411963c533b449b27"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.5.1"
+  win32:
+    dependency: transitive
+    description:
+      name: win32
+      sha256: "8cb58b45c47dcb42ab3651533626161d6b67a2921917d8d429791f76972b3480"
       url: "https://pub.dev"
     source: hosted
-    version: "0.5.0"
+    version: "5.3.0"
 sdks:
   dart: ">=3.3.0 <4.0.0"
+  flutter: ">=3.19.0"
diff --git a/examples/todo/celest/lib/client.dart b/examples/todo/celest/lib/client.dart
index 1f1cfc16..2903de69 100644
--- a/examples/todo/celest/lib/client.dart
+++ b/examples/todo/celest/lib/client.dart
@@ -6,6 +6,7 @@ library; // ignore_for_file: no_leading_underscores_for_library_prefixes
 
 import 'dart:io' as _$io;
 
+import 'package:celest_core/_internal.dart';
 import 'package:celest_core/src/util/globals.dart';
 import 'package:http/http.dart' as _$http;
 
@@ -24,12 +25,16 @@ enum CelestEnvironment {
       };
 }
 
-class Celest {
+class Celest with CelestBase {
   var _initialized = false;
 
   late CelestEnvironment _currentEnvironment;
 
-  late _$http.Client httpClient = _$http.Client();
+  late final SecureStorage _secureStorage = SecureStorage();
+
+  @override
+  late _$http.Client httpClient =
+      CelestHttpClient(secureStorage: _secureStorage);
 
   late Uri _baseUri;
 
@@ -46,6 +51,7 @@ class Celest {
   CelestEnvironment get currentEnvironment =>
       _checkInitialized(() => _currentEnvironment);
 
+  @override
   Uri get baseUri => _checkInitialized(() => _baseUri);
 
   CelestFunctions get functions => _checkInitialized(() => _functions);
diff --git a/examples/todo/celest/pubspec.lock b/examples/todo/celest/pubspec.lock
index 7794d9d6..8c0ada9b 100644
--- a/examples/todo/celest/pubspec.lock
+++ b/examples/todo/celest/pubspec.lock
@@ -41,22 +41,54 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.1.1"
+  built_collection:
+    dependency: transitive
+    description:
+      name: built_collection
+      sha256: "376e3dd27b51ea877c28d525560790aee2e6fbb5f20e2f85d5081027d94e2100"
+      url: "https://pub.dev"
+    source: hosted
+    version: "5.1.1"
+  built_value:
+    dependency: transitive
+    description:
+      name: built_value
+      sha256: fedde275e0a6b798c3296963c5cd224e3e1b55d0e478d5b7e65e6b540f363a0e
+      url: "https://pub.dev"
+    source: hosted
+    version: "8.9.1"
+  cedar:
+    dependency: transitive
+    description:
+      name: cedar
+      sha256: "08694362fce1f942d0f868ff8460931e2d32d9e568a1672ca98aa387cab248aa"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.1.0"
   celest:
     dependency: "direct main"
     description:
       name: celest
-      sha256: aa0d6bd43ed45f52d2f1a88b5dc00bf88439ab21f1d727c68938f54ccf3ba445
+      sha256: bd1691ce2d75e394e2d2a7b41d8699ccc4e219d51846287cfe9ba7b6cd9a3989
       url: "https://pub.dev"
     source: hosted
-    version: "0.2.0"
+    version: "0.3.1"
+  celest_auth:
+    dependency: transitive
+    description:
+      name: celest_auth
+      sha256: "63ad911778086b508c702a2ece3a56d7fea42a1e87c92c0031f213ccfabb25d6"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.3.0"
   celest_core:
     dependency: "direct main"
     description:
       name: celest_core
-      sha256: c9ae3214327494291c2bbbc5ac7b5b63be03484e9d63fd06d8fe9ad938256963
+      sha256: f4ce36b2f80a2717dd83302a735e1be16ca7ebcc5f145582b59e66176503f455
       url: "https://pub.dev"
     source: hosted
-    version: "0.2.1"
+    version: "0.3.1"
   chunked_stream:
     dependency: transitive
     description:
@@ -81,6 +113,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "3.1.1"
+  corks_cedar:
+    dependency: transitive
+    description:
+      name: corks_cedar
+      sha256: "85296f9500ff5cf8ec135520fc28caaf2858af8a6da129d7caedaed869cb8a44"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.1.0"
   coverage:
     dependency: transitive
     description:
@@ -97,6 +137,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "3.0.3"
+  ffi:
+    dependency: transitive
+    description:
+      name: ffi
+      sha256: "493f37e7df1804778ff3a53bd691d8692ddf69702cf4c1c1096a2e41b4779e21"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.2"
   file:
     dependency: transitive
     description:
@@ -169,6 +217,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.0.4"
+  jni:
+    dependency: transitive
+    description:
+      name: jni
+      sha256: "0d88790bdf7e298aa65a9094c62b58ea231169a2deb84f23defc7d7955885b43"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.7.2"
   js:
     dependency: transitive
     description:
@@ -177,6 +233,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "0.7.1"
+  json_annotation:
+    dependency: transitive
+    description:
+      name: json_annotation
+      sha256: b10a7b2ff83d83c777edba3c6a0f97045ddadd56c944e1a23a3fdf43a1bf4467
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.8.1"
   lints:
     dependency: "direct dev"
     description:
@@ -225,6 +289,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.0.2"
+  os_detect:
+    dependency: transitive
+    description:
+      name: os_detect
+      sha256: faf3bcf39515e64da8ff76b2f2805b20a6ff47ae515393e535f8579ff91d6b7f
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.1"
   package_config:
     dependency: transitive
     description:
@@ -241,6 +313,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.9.0"
+  plugin_platform_interface:
+    dependency: transitive
+    description:
+      name: plugin_platform_interface
+      sha256: "4820fbfdb9478b1ebae27888254d445073732dae3d6ea81f0b7e06d5dedc3f02"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.8"
   pool:
     dependency: transitive
     description:
@@ -249,6 +329,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.5.1"
+  protobuf:
+    dependency: transitive
+    description:
+      name: protobuf
+      sha256: "68645b24e0716782e58948f8467fd42a880f255096a821f9e7d0ec625b00c84d"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.0"
   pub_semver:
     dependency: transitive
     description:
@@ -345,6 +433,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.1.2"
+  stream_transform:
+    dependency: transitive
+    description:
+      name: stream_transform
+      sha256: "14a00e794c7c11aa145a170587321aedce29769c08d7f58b1d141da75e3b1c6f"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.0"
   string_scanner:
     dependency: transitive
     description:
@@ -421,10 +517,10 @@ packages:
     dependency: transitive
     description:
       name: web
-      sha256: "1d9158c616048c38f712a6646e317a3426da10e884447626167240d45209cbad"
+      sha256: "97da13628db363c635202ad97068d47c5b8aa555808e7a9411963c533b449b27"
       url: "https://pub.dev"
     source: hosted
-    version: "0.5.0"
+    version: "0.5.1"
   web_socket_channel:
     dependency: transitive
     description:
@@ -441,6 +537,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.2.1"
+  win32:
+    dependency: transitive
+    description:
+      name: win32
+      sha256: "8cb58b45c47dcb42ab3651533626161d6b67a2921917d8d429791f76972b3480"
+      url: "https://pub.dev"
+    source: hosted
+    version: "5.3.0"
   yaml:
     dependency: transitive
     description:
@@ -451,3 +555,4 @@ packages:
     version: "3.1.2"
 sdks:
   dart: ">=3.3.0 <4.0.0"
+  flutter: ">=3.19.0"
diff --git a/examples/todo/celest/pubspec.yaml b/examples/todo/celest/pubspec.yaml
index a2f16401..487ae4ba 100644
--- a/examples/todo/celest/pubspec.yaml
+++ b/examples/todo/celest/pubspec.yaml
@@ -6,8 +6,8 @@ environment:
   sdk: ^3.3.0
 
 dependencies:
-  celest: ^0.2.0
-  celest_core: ^0.2.0
+  celest: ^0.3.0
+  celest_core: ^0.3.0
   http: ">=0.13.0 <2.0.0"
   uuid: ^4.3.3
 
diff --git a/examples/todo/celest/resources.dart b/examples/todo/celest/resources.dart
index 6050f6d0..ffc4fd72 100644
--- a/examples/todo/celest/resources.dart
+++ b/examples/todo/celest/resources.dart
@@ -3,42 +3,3 @@
 // ignore_for_file: type=lint, unused_local_variable, unnecessary_cast, unnecessary_import
 
 library;
-
-import 'package:celest/celest.dart';
-
-@Deprecated('Use `Apis` instead.')
-typedef apis = Apis;
-
-abstract final class Apis {
-  static const tasks = CloudApi(name: r'tasks');
-}
-
-@Deprecated('Use `Functions` instead.')
-typedef functions = Functions;
-
-abstract final class Functions {
-  static const tasksAddTask = CloudFunction(
-    api: r'tasks',
-    functionName: r'addTask',
-  );
-
-  static const tasksDeleteTask = CloudFunction(
-    api: r'tasks',
-    functionName: r'deleteTask',
-  );
-
-  static const tasksListAllTasks = CloudFunction(
-    api: r'tasks',
-    functionName: r'listAllTasks',
-  );
-
-  static const tasksMarkAsCompleted = CloudFunction(
-    api: r'tasks',
-    functionName: r'markAsCompleted',
-  );
-
-  static const tasksMarkAsIncomplete = CloudFunction(
-    api: r'tasks',
-    functionName: r'markAsIncomplete',
-  );
-}
diff --git a/examples/todo/ios/Flutter/Debug.xcconfig b/examples/todo/ios/Flutter/Debug.xcconfig
index 592ceee8..ec97fc6f 100644
--- a/examples/todo/ios/Flutter/Debug.xcconfig
+++ b/examples/todo/ios/Flutter/Debug.xcconfig
@@ -1 +1,2 @@
+#include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.debug.xcconfig"
 #include "Generated.xcconfig"
diff --git a/examples/todo/ios/Flutter/Release.xcconfig b/examples/todo/ios/Flutter/Release.xcconfig
index 592ceee8..c4855bfe 100644
--- a/examples/todo/ios/Flutter/Release.xcconfig
+++ b/examples/todo/ios/Flutter/Release.xcconfig
@@ -1 +1,2 @@
+#include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.release.xcconfig"
 #include "Generated.xcconfig"
diff --git a/examples/todo/ios/Podfile b/examples/todo/ios/Podfile
new file mode 100644
index 00000000..d97f17e2
--- /dev/null
+++ b/examples/todo/ios/Podfile
@@ -0,0 +1,44 @@
+# Uncomment this line to define a global platform for your project
+# platform :ios, '12.0'
+
+# CocoaPods analytics sends network stats synchronously affecting flutter build latency.
+ENV['COCOAPODS_DISABLE_STATS'] = 'true'
+
+project 'Runner', {
+  'Debug' => :debug,
+  'Profile' => :release,
+  'Release' => :release,
+}
+
+def flutter_root
+  generated_xcode_build_settings_path = File.expand_path(File.join('..', 'Flutter', 'Generated.xcconfig'), __FILE__)
+  unless File.exist?(generated_xcode_build_settings_path)
+    raise "#{generated_xcode_build_settings_path} must exist. If you're running pod install manually, make sure flutter pub get is executed first"
+  end
+
+  File.foreach(generated_xcode_build_settings_path) do |line|
+    matches = line.match(/FLUTTER_ROOT\=(.*)/)
+    return matches[1].strip if matches
+  end
+  raise "FLUTTER_ROOT not found in #{generated_xcode_build_settings_path}. Try deleting Generated.xcconfig, then run flutter pub get"
+end
+
+require File.expand_path(File.join('packages', 'flutter_tools', 'bin', 'podhelper'), flutter_root)
+
+flutter_ios_podfile_setup
+
+target 'Runner' do
+  use_frameworks!
+  use_modular_headers!
+
+  flutter_install_all_ios_pods File.dirname(File.realpath(__FILE__))
+  target 'RunnerTests' do
+    inherit! :search_paths
+  end
+end
+
+post_install do |installer|
+  installer.pods_project.targets.each do |target|
+    flutter_additional_ios_build_settings(target)
+  end
+end
diff --git a/examples/todo/linux/flutter/generated_plugins.cmake b/examples/todo/linux/flutter/generated_plugins.cmake
index 2e1de87a..be1ee3e5 100644
--- a/examples/todo/linux/flutter/generated_plugins.cmake
+++ b/examples/todo/linux/flutter/generated_plugins.cmake
@@ -6,6 +6,7 @@ list(APPEND FLUTTER_PLUGIN_LIST
 )
 
 list(APPEND FLUTTER_FFI_PLUGIN_LIST
+  jni
 )
 
 set(PLUGIN_BUNDLED_LIBRARIES)
diff --git a/examples/todo/macos/Flutter/Flutter-Debug.xcconfig b/examples/todo/macos/Flutter/Flutter-Debug.xcconfig
index c2efd0b6..4b81f9b2 100644
--- a/examples/todo/macos/Flutter/Flutter-Debug.xcconfig
+++ b/examples/todo/macos/Flutter/Flutter-Debug.xcconfig
@@ -1 +1,2 @@
+#include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.debug.xcconfig"
 #include "ephemeral/Flutter-Generated.xcconfig"
diff --git a/examples/todo/macos/Flutter/Flutter-Release.xcconfig b/examples/todo/macos/Flutter/Flutter-Release.xcconfig
index c2efd0b6..5caa9d15 100644
--- a/examples/todo/macos/Flutter/Flutter-Release.xcconfig
+++ b/examples/todo/macos/Flutter/Flutter-Release.xcconfig
@@ -1 +1,2 @@
+#include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.release.xcconfig"
 #include "ephemeral/Flutter-Generated.xcconfig"
diff --git a/examples/todo/macos/Podfile b/examples/todo/macos/Podfile
new file mode 100644
index 00000000..c795730d
--- /dev/null
+++ b/examples/todo/macos/Podfile
@@ -0,0 +1,43 @@
+platform :osx, '10.14'
+
+# CocoaPods analytics sends network stats synchronously affecting flutter build latency.
+ENV['COCOAPODS_DISABLE_STATS'] = 'true'
+
+project 'Runner', {
+  'Debug' => :debug,
+  'Profile' => :release,
+  'Release' => :release,
+}
+
+def flutter_root
+  generated_xcode_build_settings_path = File.expand_path(File.join('..', 'Flutter', 'ephemeral', 'Flutter-Generated.xcconfig'), __FILE__)
+  unless File.exist?(generated_xcode_build_settings_path)
+    raise "#{generated_xcode_build_settings_path} must exist. If you're running pod install manually, make sure \"flutter pub get\" is executed first"
+  end
+
+  File.foreach(generated_xcode_build_settings_path) do |line|
+    matches = line.match(/FLUTTER_ROOT\=(.*)/)
+    return matches[1].strip if matches
+  end
+  raise "FLUTTER_ROOT not found in #{generated_xcode_build_settings_path}. Try deleting Flutter-Generated.xcconfig, then run \"flutter pub get\""
+end
+
+require File.expand_path(File.join('packages', 'flutter_tools', 'bin', 'podhelper'), flutter_root)
+
+flutter_macos_podfile_setup
+
+target 'Runner' do
+  use_frameworks!
+  use_modular_headers!
+
+  flutter_install_all_macos_pods File.dirname(File.realpath(__FILE__))
+  target 'RunnerTests' do
+    inherit! :search_paths
+  end
+end
+
+post_install do |installer|
+  installer.pods_project.targets.each do |target|
+    flutter_additional_macos_build_settings(target)
+  end
+end
diff --git a/examples/todo/pubspec.lock b/examples/todo/pubspec.lock
index 6f3043fa..e50ec12f 100644
--- a/examples/todo/pubspec.lock
+++ b/examples/todo/pubspec.lock
@@ -1,6 +1,14 @@
 # Generated by pub
 # See https://dart.dev/tools/pub/glossary#lockfile
 packages:
+  args:
+    dependency: transitive
+    description:
+      name: args
+      sha256: eef6c46b622e0494a36c5a12d10d77fb4e855501a91c1b9ef9339326e58f0596
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.2"
   async:
     dependency: transitive
     description:
@@ -17,14 +25,46 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.1.1"
+  built_collection:
+    dependency: transitive
+    description:
+      name: built_collection
+      sha256: "376e3dd27b51ea877c28d525560790aee2e6fbb5f20e2f85d5081027d94e2100"
+      url: "https://pub.dev"
+    source: hosted
+    version: "5.1.1"
+  built_value:
+    dependency: transitive
+    description:
+      name: built_value
+      sha256: fedde275e0a6b798c3296963c5cd224e3e1b55d0e478d5b7e65e6b540f363a0e
+      url: "https://pub.dev"
+    source: hosted
+    version: "8.9.1"
+  cedar:
+    dependency: transitive
+    description:
+      name: cedar
+      sha256: "08694362fce1f942d0f868ff8460931e2d32d9e568a1672ca98aa387cab248aa"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.1.0"
   celest:
     dependency: transitive
     description:
       name: celest
-      sha256: aa0d6bd43ed45f52d2f1a88b5dc00bf88439ab21f1d727c68938f54ccf3ba445
+      sha256: bd1691ce2d75e394e2d2a7b41d8699ccc4e219d51846287cfe9ba7b6cd9a3989
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.3.1"
+  celest_auth:
+    dependency: transitive
+    description:
+      name: celest_auth
+      sha256: "63ad911778086b508c702a2ece3a56d7fea42a1e87c92c0031f213ccfabb25d6"
       url: "https://pub.dev"
     source: hosted
-    version: "0.2.0"
+    version: "0.3.0"
   celest_backend:
     dependency: "direct main"
     description:
@@ -36,10 +76,10 @@ packages:
     dependency: transitive
     description:
       name: celest_core
-      sha256: c9ae3214327494291c2bbbc5ac7b5b63be03484e9d63fd06d8fe9ad938256963
+      sha256: f4ce36b2f80a2717dd83302a735e1be16ca7ebcc5f145582b59e66176503f455
       url: "https://pub.dev"
     source: hosted
-    version: "0.2.1"
+    version: "0.3.1"
   characters:
     dependency: transitive
     description:
@@ -72,6 +112,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.18.0"
+  corks_cedar:
+    dependency: transitive
+    description:
+      name: corks_cedar
+      sha256: "85296f9500ff5cf8ec135520fc28caaf2858af8a6da129d7caedaed869cb8a44"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.1.0"
   crypto:
     dependency: transitive
     description:
@@ -88,6 +136,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.3.1"
+  ffi:
+    dependency: transitive
+    description:
+      name: ffi
+      sha256: "493f37e7df1804778ff3a53bd691d8692ddf69702cf4c1c1096a2e41b4779e21"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.2"
   fixnum:
     dependency: transitive
     description:
@@ -138,6 +194,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "4.0.2"
+  jni:
+    dependency: transitive
+    description:
+      name: jni
+      sha256: "0d88790bdf7e298aa65a9094c62b58ea231169a2deb84f23defc7d7955885b43"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.7.2"
+  json_annotation:
+    dependency: transitive
+    description:
+      name: json_annotation
+      sha256: b10a7b2ff83d83c777edba3c6a0f97045ddadd56c944e1a23a3fdf43a1bf4467
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.8.1"
   leak_tracker:
     dependency: transitive
     description:
@@ -170,6 +242,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.1.1"
+  logging:
+    dependency: transitive
+    description:
+      name: logging
+      sha256: "623a88c9594aa774443aa3eb2d41807a48486b5613e67599fb4c41c0ad47c340"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.2.0"
   matcher:
     dependency: transitive
     description:
@@ -194,6 +274,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.11.0"
+  os_detect:
+    dependency: transitive
+    description:
+      name: os_detect
+      sha256: faf3bcf39515e64da8ff76b2f2805b20a6ff47ae515393e535f8579ff91d6b7f
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.1"
+  package_config:
+    dependency: transitive
+    description:
+      name: package_config
+      sha256: "1c5b77ccc91e4823a5af61ee74e6b972db1ef98c2ff5a18d3161c982a55448bd"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.0"
   path:
     dependency: transitive
     description:
@@ -202,6 +298,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.9.0"
+  plugin_platform_interface:
+    dependency: transitive
+    description:
+      name: plugin_platform_interface
+      sha256: "4820fbfdb9478b1ebae27888254d445073732dae3d6ea81f0b7e06d5dedc3f02"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.8"
+  protobuf:
+    dependency: transitive
+    description:
+      name: protobuf
+      sha256: "68645b24e0716782e58948f8467fd42a880f255096a821f9e7d0ec625b00c84d"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.0"
   shelf:
     dependency: transitive
     description:
@@ -255,6 +367,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.1.2"
+  stream_transform:
+    dependency: transitive
+    description:
+      name: stream_transform
+      sha256: "14a00e794c7c11aa145a170587321aedce29769c08d7f58b1d141da75e3b1c6f"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.0"
   string_scanner:
     dependency: transitive
     description:
@@ -315,9 +435,18 @@ packages:
     dependency: transitive
     description:
       name: web
-      sha256: "1d9158c616048c38f712a6646e317a3426da10e884447626167240d45209cbad"
+      sha256: "97da13628db363c635202ad97068d47c5b8aa555808e7a9411963c533b449b27"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.5.1"
+  win32:
+    dependency: transitive
+    description:
+      name: win32
+      sha256: "8cb58b45c47dcb42ab3651533626161d6b67a2921917d8d429791f76972b3480"
       url: "https://pub.dev"
     source: hosted
-    version: "0.5.0"
+    version: "5.3.0"
 sdks:
   dart: ">=3.3.0 <4.0.0"
+  flutter: ">=3.19.0"
diff --git a/examples/todo/windows/flutter/generated_plugins.cmake b/examples/todo/windows/flutter/generated_plugins.cmake
index b93c4c30..3ad69c61 100644
--- a/examples/todo/windows/flutter/generated_plugins.cmake
+++ b/examples/todo/windows/flutter/generated_plugins.cmake
@@ -6,6 +6,7 @@ list(APPEND FLUTTER_PLUGIN_LIST
 )
 
 list(APPEND FLUTTER_FFI_PLUGIN_LIST
+  jni
 )
 
 set(PLUGIN_BUNDLED_LIBRARIES)
diff --git a/packages/celest/CHANGELOG.md b/packages/celest/CHANGELOG.md
index 6d7fa6ba..db4bdca3 100644
--- a/packages/celest/CHANGELOG.md
+++ b/packages/celest/CHANGELOG.md
@@ -1,6 +1,10 @@
-## 0.3.0-dev.1
+## 0.3.1
 
-- Initial release of Celest Auth
+- Makes request context not specific to Celest
+
+## 0.3.0
+
+- Initial release of Celest Auth with email OTP support
 
 ## 0.2.0
 
diff --git a/packages/celest/lib/src/runtime/serve.dart b/packages/celest/lib/src/runtime/serve.dart
index 8b84b29e..0ecb38f0 100644
--- a/packages/celest/lib/src/runtime/serve.dart
+++ b/packages/celest/lib/src/runtime/serve.dart
@@ -57,7 +57,7 @@ abstract base class CloudFunctionTarget {
     init();
   }
 
-  static const _contextHeaderPrefix = 'X-Celest-Context-';
+  static const _contextHeaderPrefix = 'X-Context-';
   static final _contextHeaderMatcher = RegExp(
     _contextHeaderPrefix,
     caseSensitive: false,
@@ -65,12 +65,16 @@ abstract base class CloudFunctionTarget {
 
   Future<Response> _handler(Request request) async {
     final bodyJson = await request.decodeJson();
+    final context = <String, String>{};
+    request.headers.forEach((key, value) {
+      key = key.toLowerCase();
+      if (key.startsWith(_contextHeaderMatcher)) {
+        context[key.substring(_contextHeaderPrefix.length)] = value;
+      }
+    });
     final response = await runZoned(
       () => handle({
-        for (final MapEntry(:key, :value) in request.headers.entries)
-          if (key.startsWith(_contextHeaderMatcher))
-            '\$${key.substring(_contextHeaderPrefix.length).toLowerCase()}':
-                value,
+        r'$context': context,
         ...bodyJson,
       }),
       zoneSpecification: ZoneSpecification(
diff --git a/packages/celest/pubspec.yaml b/packages/celest/pubspec.yaml
index 25646ea4..305f4760 100644
--- a/packages/celest/pubspec.yaml
+++ b/packages/celest/pubspec.yaml
@@ -1,6 +1,6 @@
 name: celest
 description: The Flutter cloud platform. Celest enables you to build your entire backend in Dart.
-version: 0.3.0-dev.1
+version: 0.3.1
 homepage: https://celest.dev
 repository: https://github.com/celest-dev/celest/tree/main/packages/celest
 
@@ -9,8 +9,8 @@ environment:
 
 dependencies:
   async: ^2.11.0
-  celest_auth: ^0.3.0-dev.1
-  celest_core: ^0.3.0-dev.1
+  celest_auth: ^0.3.0
+  celest_core: ^0.3.0
   chunked_stream: ^1.4.2
   meta: ^1.9.0
   shelf: ^1.4.1
diff --git a/packages/celest_auth/CHANGELOG.md b/packages/celest_auth/CHANGELOG.md
index eef20f21..338fca0c 100644
--- a/packages/celest_auth/CHANGELOG.md
+++ b/packages/celest_auth/CHANGELOG.md
@@ -1,7 +1,7 @@
-## 0.3.0-dev.2
+## 0.3.1
 
-- Clear browser cookies on `signOut`
+- Use required parameters throughout for better consistency
 
-## 0.3.0-dev.1
+## 0.3.0
 
 - Initial version.
diff --git a/packages/celest_auth/example/celest/pubspec.yaml b/packages/celest_auth/example/celest/pubspec.yaml
index 3a2a0972..d59a1407 100644
--- a/packages/celest_auth/example/celest/pubspec.yaml
+++ b/packages/celest_auth/example/celest/pubspec.yaml
@@ -6,8 +6,8 @@ environment:
   sdk: ^3.3.0
 
 dependencies:
-  celest: ^0.3.0-0
-  celest_core: ^0.3.0-0
+  celest: ^0.3.0
+  celest_core: ^0.3.0
   http: ">=0.13.0 <2.0.0"
 
 dependency_overrides:
diff --git a/packages/celest_auth/example/lib/main.dart b/packages/celest_auth/example/lib/main.dart
index 4a37d685..9462fd71 100644
--- a/packages/celest_auth/example/lib/main.dart
+++ b/packages/celest_auth/example/lib/main.dart
@@ -93,7 +93,7 @@ class _MainAppState extends State<MainApp> {
                           const SizedBox(height: 16),
                           TextButton(
                             onPressed: () => state.verify(
-                              _otpController.text,
+                              otpCode: _otpController.text,
                             ),
                             child: const Text('Verify OTP'),
                           ),
diff --git a/packages/celest_auth/lib/src/auth_impl.dart b/packages/celest_auth/lib/src/auth_impl.dart
index eb0cb8db..d841760e 100644
--- a/packages/celest_auth/lib/src/auth_impl.dart
+++ b/packages/celest_auth/lib/src/auth_impl.dart
@@ -41,7 +41,7 @@ final class AuthImpl implements Auth {
       AuthState initialState;
       try {
         final user = await protocol.userInfo();
-        initialState = Authenticated(user);
+        initialState = Authenticated(user: user);
         _authStateController.add(initialState);
       } on UnauthorizedException {
         initialState = const Unauthenticated();
diff --git a/packages/celest_auth/lib/src/flows/email_flow.dart b/packages/celest_auth/lib/src/flows/email_flow.dart
index d688e6c1..7386bb73 100644
--- a/packages/celest_auth/lib/src/flows/email_flow.dart
+++ b/packages/celest_auth/lib/src/flows/email_flow.dart
@@ -55,7 +55,7 @@ final class EmailFlow implements AuthFlow {
       );
       _hub.secureStorage.write('cork', user.cork);
       _hub.localStorage.write('userId', user.user.userId);
-      return Authenticated(user.user);
+      return Authenticated(user: user.user);
     });
   }
 
@@ -80,7 +80,7 @@ final class _EmailNeedsVerification extends EmailNeedsVerification {
   }
 
   @override
-  Future<User> verify(String otpCode) async {
+  Future<User> verify({required String otpCode}) async {
     final authenticated = await _flow._verifyOtp(email: email, otp: otpCode);
     return authenticated.user;
   }
diff --git a/packages/celest_auth/lib/src/state/auth_state.dart b/packages/celest_auth/lib/src/state/auth_state.dart
index 42e1b077..ba0d621d 100644
--- a/packages/celest_auth/lib/src/state/auth_state.dart
+++ b/packages/celest_auth/lib/src/state/auth_state.dart
@@ -28,12 +28,14 @@ abstract class EmailNeedsVerification extends AuthFlowInProgress {
   final String email;
 
   Future<void> resend();
-  Future<User> verify(String otpCode);
+  Future<User> verify({required String otpCode});
 }
 
 /// The [user] is authenticated and their identity has been verified.
 final class Authenticated extends AuthState {
-  const Authenticated(this.user);
+  const Authenticated({
+    required this.user,
+  });
 
   final User user;
 }
diff --git a/packages/celest_auth/pubspec.yaml b/packages/celest_auth/pubspec.yaml
index dbb2918f..bd772aa1 100644
--- a/packages/celest_auth/pubspec.yaml
+++ b/packages/celest_auth/pubspec.yaml
@@ -1,6 +1,6 @@
 name: celest_auth
 description: The Auth runtime and client library for Celest, the Flutter cloud platform.
-version: 0.3.0-dev.2
+version: 0.3.1
 homepage: https://celest.dev
 repository: https://github.com/celest-dev/celest/tree/main/packages/celest_auth
 
@@ -12,7 +12,7 @@ dependencies:
   built_collection: ^5.1.1
   built_value: ^8.9.1
   cedar: ^0.1.0
-  celest_core: ^0.3.0-dev.2
+  celest_core: ^0.3.0
   chunked_stream: ^1.4.2
   corks_cedar: ^0.1.0
   ffi: ^2.1.2
diff --git a/packages/celest_core/CHANGELOG.md b/packages/celest_core/CHANGELOG.md
index 0dde39b5..ba14c536 100644
--- a/packages/celest_core/CHANGELOG.md
+++ b/packages/celest_core/CHANGELOG.md
@@ -1,8 +1,8 @@
-## 0.3.0-dev.2
+## 0.3.1
 
-- Add `signOut` method to `AuthProtocol` for clearing browser cookies
+- Fix secure storage issues on Android and Linux
 
-## 0.3.0-dev.1
+## 0.3.0
 
 - Adds `SecureStorage` interface for storage of sensitive data in the platform keychain
 - Adds core Auth types and interfaces
diff --git a/packages/celest_core/lib/src/http/celest_http_client.dart b/packages/celest_core/lib/src/http/celest_http_client.dart
index c8c33d66..f9769da7 100644
--- a/packages/celest_core/lib/src/http/celest_http_client.dart
+++ b/packages/celest_core/lib/src/http/celest_http_client.dart
@@ -1,10 +1,6 @@
-import 'dart:isolate';
-
 import 'package:celest_core/src/http/http_client.vm.dart'
     if (dart.library.js_interop) 'package:celest_core/src/http/http_client.web.dart';
 import 'package:celest_core/src/storage/secure/secure_storage.dart';
-import 'package:celest_core/src/storage/storage.dart';
-import 'package:celest_core/src/util/globals.dart';
 import 'package:http/http.dart' as http;
 
 final class CelestHttpClient extends http.BaseClient {
@@ -21,7 +17,7 @@ final class CelestHttpClient extends http.BaseClient {
 
   @override
   Future<http.StreamedResponse> send(http.BaseRequest request) async {
-    final cork = await _readStorage(_secureStorage, 'cork');
+    final cork = _secureStorage.read('cork');
     if (cork != null) {
       request.headers['authorization'] = 'Bearer $cork';
     }
@@ -35,10 +31,3 @@ final class CelestHttpClient extends http.BaseClient {
     }
   }
 }
-
-Future<String?> _readStorage(Storage storage, String key) async {
-  if (kIsWeb) {
-    return null;
-  }
-  return Isolate.run(() => storage.read(key));
-}
diff --git a/packages/celest_core/pubspec.yaml b/packages/celest_core/pubspec.yaml
index b35d4c3c..12ddcc06 100644
--- a/packages/celest_core/pubspec.yaml
+++ b/packages/celest_core/pubspec.yaml
@@ -1,6 +1,6 @@
 name: celest_core
 description: Celest types and utilities shared between the client and the cloud.
-version: 0.3.0-dev.2
+version: 0.3.1
 homepage: https://celest.dev
 repository: https://github.com/celest-dev/celest/tree/main/packages/celest_core